﻿//
// Copyright (C) 2010 Novell Inc. http://novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace System.Xaml
{
	public abstract class XamlWriter : IDisposable
	{
		protected bool IsDisposed { get; private set; }
		public abstract XamlSchemaContext SchemaContext { get; }

		public void Close()
		{
			Dispose(true);
		}

		protected virtual void Dispose(bool disposing)
		{
			IsDisposed = true;
		}

		void IDisposable.Dispose()
		{
			Dispose(true);
		}

		public abstract void WriteEndMember();
		public abstract void WriteEndObject();
		public abstract void WriteGetObject();
		public abstract void WriteNamespace(NamespaceDeclaration namespaceDeclaration);
		public abstract void WriteStartMember(XamlMember xamlMember);
		public abstract void WriteStartObject(XamlType type);
		public abstract void WriteValue(object value);

		public void WriteNode(XamlReader reader)
		{
			if (reader == null)
				throw new ArgumentNullException("reader");

			switch (reader.NodeType)
			{
				case XamlNodeType.Value:
					WriteValue(reader.Value);
					break;
				case XamlNodeType.StartObject:
					WriteStartObject(reader.Type);
					break;
				case XamlNodeType.GetObject:
					WriteGetObject();
					break;
				case XamlNodeType.EndObject:
					WriteEndObject();
					break;
				case XamlNodeType.StartMember:
					WriteStartMember(reader.Member);
					break;
				case XamlNodeType.EndMember:
					WriteEndMember();
					break;
				case XamlNodeType.NamespaceDeclaration:
					WriteNamespace(reader.Namespace);
					break;
				default:
					throw NotImplemented(); // documented behavior
			}
		}

		Exception NotImplemented()
		{
			return new NotImplementedException();
		}
	}
}
